CN217559110U

CN217559110U - Special check valve of adjustable flow's oxygen

Info

Publication number: CN217559110U
Application number: CN202221421741.3U
Authority: CN
Inventors: 张其光
Original assignee: Jugong Valve Group Co ltd
Current assignee: Jugong Valve Group Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-10-11
Anticipated expiration: 2032-06-09

Abstract

The utility model relates to the technical field of check valves, in particular to a special oxygen check valve with adjustable flow, which comprises a check valve main body, wherein a clapboard is arranged in the middle of a bin, clamping grooves are respectively arranged on the end parts of an air inlet pipe and an air outlet pipe, a filter cartridge is arranged in each clamping groove, a threaded hole is arranged in the middle of a fixed cover, a threaded rod is arranged in each threaded hole, a movable column is arranged in each sleeve, a fixed block is arranged at the bottom of the movable column, a spring is arranged between each movable column and each sleeve, and a rubber pad is arranged at the bottom of each fixed block; this special check valve of adjustable flow's oxygen, through setting up the check valve main part, the draw-in groove is all seted up with the tip of outlet duct to the intake pipe to installation cartridge filter gets into or the combustion gas filters in the draw-in groove, fixed lid and check valve main part threaded connection, threaded rod and dead lever threaded connection, the position of adjusting threaded rod about being convenient for through the hand wheel, realize the distance between fixed block and the baffle and adjust, the rubber pad is pegged graft with the through-hole and is convenient for adjust the flow size of inside gas.

Description

Special check valve of adjustable flow's oxygen

Technical Field

The utility model relates to a check valve technical field specifically is a special check valve of adjustable flow's oxygen.

Background

The check valve is used on a medium pipeline and used for preventing medium backflow and protecting system equipment safety, the type of the check valve mainly comprises a lifting check valve, a swing check valve and a wafer check valve, the lifting check valve is composed of a valve body, a valve cover, a valve seat and a valve clack, the valve clack and the valve seat are matched with each other to form a sealing pair, a guide rod on the back of the valve clack is movably matched with a guide hole on the lower end face of the valve cover to realize lifting movement guide of the valve clack, forward medium pressure pushes the valve clack to open, when the forward medium pressure disappears, the valve clack sealing surface and the valve seat are matched with each other to seal and close the valve by means of self weight of the valve clack to prevent reverse medium backflow, and a special oxygen check valve is usually installed in the pipeline;

the utility model with publication number CN214466354U discloses a special oxygen check valve, which comprises a valve body, a valve cover, a valve seat and a valve clack, wherein the valve clack and the valve seat are mutually matched to form a sealing pair, a guide rod on the back of the valve clack is movably matched with a guide hole on the lower end surface of the valve cover, and the side wall of the guide hole is provided with a radial through hole for communicating the guide hole with a valve cavity; a spring is arranged in a guide hole on the upper end surface of the guide rod, the spring force and the gravity of the valve clack act together to ensure that the valve clack is closed timely and reliably when the medium is reversed, and a rubber sealing ring is embedded on the lower end surface of the valve clack;

although this technical scheme installs by the clamp plate that the valve clack lower plane is mutually supported by the clamp plate and is formed soft sealing pair with the sealed face of disk seat through rubber seal, the collision produces the spark and arouses oxygen burning to cause the incident when preventing to close, reverse non return dependable performance, the security performance is high, advantage such as good to system's equipment protective properties, but this special check valve of oxygen can not be according to the change of demand regulation flow in different pipelines, and in permanent use, there is particulate matter or floccule probably to block up special check valve of oxygen in the pipeline, lead to influencing permanent use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special check valve of adjustable flow's oxygen to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a special check valve of adjustable flow's oxygen, includes the check valve main part, the bin has been seted up at check valve main part top, be equipped with the baffle in the middle of the bin, be equipped with the through-hole in the middle of the baffle, the intake pipe that is equipped with bin bottom intercommunication is inlayed in check valve main part left side, the outlet duct that is equipped with bin top intercommunication is inlayed on check valve main part right side, intake pipe, the last draw-in groove of all having seted up of outlet duct tip, all be equipped with the cartridge filter in the draw-in groove, check valve main part top is equipped with the fixed cover, set up threaded hole in the middle of the fixed cover, be equipped with the threaded rod in the screw hole, the threaded rod bottom is equipped with the cover post, the sleeve has been seted up to cover post bottom, be equipped with movable post in the sleeve, movable post bottom is equipped with the fixed block, be equipped with the spring between movable post and the sleeve, the fixed block bottom is equipped with the rubber pad.

Preferably, intake pipe, outlet duct all with check valve main part welded fastening, just be close to the edge on outlet duct, the intake pipe circumference outer wall and all set the flange.

Preferably, the internal diameter of draw-in groove and the diameter looks adaptation of cartridge filter, the cartridge filter bottom is equipped with the filter screen.

Preferably, the fixed cover is in threaded connection with the top of the check valve main body, anti-slip blocks are further arranged on the outer wall of the circumference of the fixed cover and distributed in an annular shape at equal intervals, the anti-slip blocks and the fixed cover are of an integrally formed structure, a sealing rubber pad is further arranged on the upper surface of the fixed cover, and the threaded rod penetrates through the sealing rubber pad.

Preferably, the aperture of screw hole and the diameter looks adaptation of threaded rod, the threaded rod top is equipped with the hand wheel, the cover post is the integrated into one piece structure with the threaded rod.

Preferably, the inner diameter of the sleeve is matched with the diameter of the movable column, one end of the spring is fixedly bonded with the top of the movable column, and the other end of the spring is fixedly bonded with the bottom of the sleeve.

Preferably, the inner diameter of the partition plate is matched with that of the bin, the partition plate is fixedly welded with the bin, the diameter of the through hole is matched with that of the rubber pad, and the fixing block and the movable column are of an integrally formed structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the check valve main part, and at the supporting intake pipe of check valve main part and outlet duct, the draw-in groove is all seted up with the tip of outlet duct to the intake pipe, and install the cartridge filter in the draw-in groove and filter entering or the combustion gas, it causes the jam to the bin to mix floccule or particulate matter in the gas that reduces to let in, thereby the influence is ventilated for a long time and is used, fixed lid and check valve main part threaded connection, threaded rod and dead lever threaded connection, be convenient for adjust threaded rod's position from top to bottom through the hand wheel, realize the distance between fixed block and the baffle and adjust, the rubber pad is pegged graft with the through-hole and is convenient for adjust the gaseous flow size of inside.

2. The utility model discloses a set up the non slipping spur and make things convenient for the manual fixed lid that rotates with increase area of contact, realize opening or closed operation, be convenient for carry out cleaning to inside, the spring has flexible elasticity, lets fixed block and baffle closely laminate, all cooperates the flange on intake pipe and the gas outlet pipe outer wall, helps external pipeline built-up connection.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the assembly structure of the filter cartridge and the check valve main body according to the present invention;

FIG. 3 is a schematic view of the structure of the check valve main body frame of the present invention;

FIG. 4 is a schematic view of the assembly structure of the fixing cover and the threaded rod of the present invention;

fig. 5 is a schematic view of the overall cross-sectional structure of the present invention.

The various reference numbers in the figures mean:

1. a check valve body; 10. a bin; 11. a partition plate; 110. a through hole;

2. an air inlet pipe;

3. an air outlet pipe;

4. a fixed cover; 40. a threaded hole; 41. anti-skid blocks; 42. sealing the rubber gasket;

5. a threaded rod; 50. sleeving a column; 500. a sleeve; 51. a hand wheel; 52. a movable post; 520. a spring; 53. a fixed block; 530. a rubber pad;

6. a filter cartridge;

7. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1-5, the present embodiment provides a technical solution:

the utility model provides a special check valve of adjustable flow's oxygen, including check valve main part 1, bin 10 has been seted up at 1 top of check valve main part, be equipped with baffle 11 in the middle of bin 10, be equipped with through-hole 110 in the middle of baffle 11, 1 left side of check valve main part inlays and is equipped with intake pipe 2 with bin 10 bottom intercommunication, 1 right side of check valve main part inlays and is equipped with outlet duct 3 of bin 10 top intercommunication, intake pipe 2, draw-in groove 7 has all been seted up on the 3 tip of outlet duct, all be equipped with cartridge filter 6 in the draw-in groove 7, 1 top of check valve main part is equipped with fixed cover 4, set up threaded hole 40 in the middle of the fixed cover 4, be equipped with threaded rod 5 in the threaded

hole

40, 5 bottoms of threaded rod are equipped with jacket post 50, sleeve 500 has been seted up to jacket post 50 bottom, be equipped with movable post 52 in the sleeve 500, movable post 52 bottom is equipped with fixed block 53, be equipped with spring 520 between movable post 52 and the sleeve 500, fixed block 53 bottom is equipped with rubber pad 530.

In this embodiment, intake pipe 2, outlet duct 3 all with check valve main part 1 welded fastening, and the edge that is close to on 2 circumference outer walls of outlet duct 3, intake pipe all sets the flange, increase structural stability, under the cooperation of flange, convenient and external pipeline built-up connection.

Further, the internal diameter of draw-in groove 7 and the diameter looks adaptation of

cartridge filter

6, 6 bottoms of cartridge filter are equipped with the filter screen, and cartridge filter 6 and draw-in groove 7 are pegged graft and are cooperated, and the manual change of being convenient for or to 6 inside cleanness of cartridge filter, under the cooperation of filter screen, filter the gas that flows in or flow out, it causes the jam influence to use for a long time to reduce the entering particulate matter in the bin 10.

It should be noted that, fixed lid 4 and the threaded connection in check valve main part 1 top, still be equipped with non slipping spur 41 on the fixed lid 4 circumference outer wall, non slipping spur 41 is the annular equidistant distribution, non slipping spur 41 and fixed lid 4 are integrated into one piece structure, fixed lid 4 upper surface still is equipped with sealed cushion 42, threaded rod 5 passes sealed cushion 42, sealed cushion 42 installation increases the storehouse 10 gas tightness, under the cooperation of non slipping spur 41, be convenient for fixed lid 4 manual installation or dismantlement cooperation.

Specifically, the aperture of screw hole 40 and the diameter looks adaptation of threaded rod 5, and threaded rod 5 top is equipped with hand wheel 51, and the telescopic stud 50 is the integrated into one piece structure with threaded rod 5, threaded rod 5 and screw hole 40 threaded connection, and hand wheel 51 passes through the fixed connection of screw and threaded rod 5, and under hand wheel 51's cooperation, makes things convenient for manual rotation to adjust the use.

Secondly, the inner diameter of the sleeve 500 is matched with the diameter of the movable column 52, one end of the spring 520 is fixedly bonded with the top of the movable column 52, the other end of the spring 520 is fixedly bonded with the bottom of the sleeve 500, the spring 520 has telescopic elasticity, when the pressure below the partition plate 11 is increased, the spring 520 is extruded to shrink, the rubber pad 530 is separated from the through hole 110, exhaust matching is achieved, the pressure above the partition plate 11 is increased, and the rubber pad 530 is tightly attached to the through hole 110 to prevent backflow.

It is worth supplementing that the inner diameter of the partition plate 11 is matched with the inner diameter of the chamber 10, the partition plate 11 is welded and fixed with the chamber 10, the diameter of the through hole 110 is matched with the diameter of the rubber pad 530, the fixed block 53 and the movable column 52 are integrated into a whole, the partition plate 11 divides the chamber 10 evenly, and the air flow stopping matching is performed under the matching of the rubber pad 530.

When the special oxygen check valve with the adjustable flow rate is used, a user manually installs the partition plate 11 and the check valve main body 1 in a combined mode, then the threaded rod 5 is in threaded connection with the threaded hole 40 in the fixed cover 4, the fixed block 53 is fixedly installed in the sleeve 500 under the matching of the spring 520 and the movable column 52, the fixed cover 4 with the threaded rod 5 is manually and fixedly connected with the check valve main body 1, then the two filter cartridges 6 are manually and respectively installed in the clamping grooves 7 in the air inlet pipe 2 and the air outlet pipe 3, the passing air is filtered, the blocking influence on the chamber 10 is reduced, the air inlet pipe 2 and the air outlet pipe 3 are correspondingly connected with an external pipeline through flanges, the flow rate is adjusted according to needs, when the flow rate needs to be adjusted, the hand wheel 51 is rotated to enable the fixed block 53 to move upwards, the rubber gasket 530 is tightly attached to the through hole 110 under the matching of the spring 520, the pressure intensity below the partition plate 11 is increased, the distance between the rubber gasket 530 and the through hole 110 is increased, the small flow rate of air pressure intensity is achieved, when the small flow rate of the hand wheel 51 needs to be adjusted, the pressure intensity is increased, the rubber gasket 530 and the pressure intensity of the small particle matter is further increased, the flocculent particles can be conveniently and the cleaning effect of the cleaning of the chamber 10 is achieved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a special check valve of adjustable flow's oxygen, includes check valve main part (1), its characterized in that: bin (10) have been seted up at check valve main part (1) top, be equipped with baffle (11) in the middle of bin (10), be equipped with through-hole (110) in the middle of baffle (11), intake pipe (2) that are equipped with and bin (10) bottom intercommunication are inlayed in check valve main part (1) left side, intake pipe (3) that are equipped with bin (10) top intercommunication are inlayed on check valve main part (1) right side, draw-in groove (7) have all been seted up on intake pipe (2), intake pipe (3) tip, all be equipped with cartridge filter (6) in draw-in groove (7), check valve main part (1) top is equipped with fixed lid (4), threaded hole (40) have been seted up in the middle of fixed lid (4), be equipped with threaded rod (5) in threaded hole (40), threaded rod (5) bottom is equipped with casing post (50), sleeve (500) have been seted up bottom sleeve (500), be equipped with movable post (52) in sleeve (500), movable post (52) bottom is equipped with fixed block (53), be equipped with between movable post (52) and sleeve (500) spring (520), fixed block (53) bottom is equipped with rubber pad (520), fixed block (530).

2. The adjustable flow oxygen dedicated check valve as claimed in claim 1, wherein: intake pipe (2), outlet duct (3) all with check valve main part (1) welded fastening, just be close to the edge on outlet duct (3), the circumference outer wall of intake pipe (2) and all set the flange.

3. The adjustable flow oxygen dedicated check valve as claimed in claim 1, wherein: the internal diameter of draw-in groove (7) and the diameter looks adaptation of cartridge filter (6), cartridge filter (6) bottom is equipped with the filter screen.

4. The adjustable flow oxygen dedicated check valve as claimed in claim 1, wherein: fixed lid (4) and check valve main part (1) top threaded connection, still be equipped with non slipping spur (41) on the fixed lid (4) circumference outer wall, non slipping spur (41) are the equidistant distribution of annular, non slipping spur (41) and fixed lid (4) are integrated into one piece structure, fixed lid (4) upper surface still is equipped with sealed cushion (42), sealed cushion (42) are passed in threaded rod (5).

5. The adjustable flow oxygen dedicated check valve as claimed in claim 1, wherein: the diameter looks adaptation of the aperture of screw hole (40) and threaded rod (5), threaded rod (5) top is equipped with hand wheel (51), cover post (50) and threaded rod (5) are integrated into one piece structure.

6. The adjustable flow oxygen dedicated check valve as claimed in claim 1, wherein: the inner diameter of the sleeve (500) is matched with the diameter of the movable column (52), one end of the spring (520) is fixedly bonded with the top of the movable column (52), and the other end of the spring (520) is fixedly bonded with the bottom of the sleeve (500).

7. The adjustable flow oxygen dedicated check valve as claimed in claim 1, wherein: the inner diameter of the partition plate (11) is matched with the inner diameter of the bin (10), the partition plate (11) is fixedly welded with the bin (10), the diameter of the through hole (110) is matched with that of the rubber pad (530), and the fixing block (53) and the movable column (52) are of an integrally formed structure.